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Transformation of cheaper mangosteen pericarp waste into bioethanol and chemicals
Author(s) -
Cho Eun J,
Park Chan S,
Bae Hyeun J
Publication year - 2020
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.5904
Subject(s) - biofuel , raw material , reuse , pulp and paper industry , waste management , chemistry , biomass (ecology) , hydrolysis , enzymatic hydrolysis , organic chemistry , engineering , agronomy , biology
Abstract BACKGROUND The cost of biomass feedstock represents a large portion of the total cost of bioethanol production. Therefore, it is necessary to find candidate materials as cheap feedstock for bioethanol production. Mangosteen pericarp waste (MPW) has potential as a feedstock for the production of bioethanol and other valuable chemicals. RESULTS We have developed a new method to efficiently convert MPW into bioethanol and other valuable products such as biosugar, α‐mangostin and γ‐mangostin. The biosugar was obtained from in‐house produced cellulase and pectinase at a 90% conversion rate; the biosugar was converted into bioethanol with 75% yield using separate hydrolysis and fermentation. In addition, the extraction of α‐mangostin increased 1.46‐fold after a combination of popping pretreatment and enzymatic hydrolysis. A copper‐doped magnetic nanomatrix (Cu‐MNM) was utilized to purify α‐mangostin from MPW. We also obtained a good yield of γ ‐mangostin via o ‐demethylation reaction of α‐mangostin. CONCLUSION The value of MPW can be increased through reuse to produce bioethanol and other valuable active materials such as biosugar, α‐mangostin and γ ‐mangostin. We predict that economically beneficial processes could be developed from the reuse of these waste materials. © 2018 Society of Chemical Industry